On Fri, 2010-08-20 at 13:00 -0700, Denny Esterline wrote:
> On Fri, Aug 20, 2010 at 11:25 AM, Carl Denk <cdenk@windstream.net> wrote:
> > You say "Programmable Logic", add one more word, "Controller" >> PLC ,
> > and your application points to that. There are numerous out there, you
> <snip>
>=20
> Uhh, errr, thanks for the suggestion, but no.
> I'm actually quite familliar with PLCs, one of our other product lines
> has consumed about 250 of them the last couple years. This is
> definitly not an application I want a PLC for.
> I used the term "programmable logic" as a genaric term for PALs, GALs,
> PLAs, PLDs, SPLDs, CPLDs, FPGAs etc. Seems like every manufacturer has
> a silghtly different name for them, or several at various levels of
> capabilities.

The Xilinx 9536 (it's a CPLD, given your application going to an FPGA
isn't worth it) should fit the bill (if you need more logic, the 9572
has twice the capacity with the same footprint if you choose your
package right).

The Xilinx webpack is a free dev environment that gives you all you need
to get going.

I've never used "schematic capture" type solutions for programmable
logic, so I can't comment there.

If you know C, then verilog will feel familiar. I'd steer clear of VHDL,
it can be very "interesting" in the way it does things, and is more of a
hill to climb.

TTYL

--=20
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